/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package com.tspp.common;

import com.tspp.dao.DaoException;
import com.tspp.dao.UserType;
import com.tspp.entrantsAcceptor.EntrantsAcceptorBean;
import com.tspp.professionAccounter.ProfessionAccounterBean;
import java.io.IOException;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 *
 * @author Maks
 */
public class AuthorizationServlet extends HttpServlet {

    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        AuthorizationBean bean = new AuthorizationBean();
        String login = (String) request.getParameter("login");
        String password = (String)request.getParameter("password");
        try {
            UserType type = bean.getRoleOfUser(login, password);
            if (type == null) {
                response.sendRedirect("index.jsp?error=" + "Incorrect login or password");
                return;
            }
            switch(type) {
                case HEAD:
                    putHeadInSession(request.getSession());
                    response.sendRedirect("manager.jsp");
                    return;
                case ENTRANTSACCEPTOR:
                    putEntrantsAcceptorInSession(request.getSession());
                    response.sendRedirect("entrantsAcceptor/index.jsp");
                    return;
                case EXAMRESULTSRECORDER:
                    putExamResultsRecorder(request.getSession());
                    response.sendRedirect("examResultsRecorder/index.jsp");
                    return;
                case PROFFESIONACCOUNTER:
                    putProfessionAccounterInSession(request.getSession());
                    response.sendRedirect("professionAccounter/index.jsp");
                    return;
                default:
            }
        } catch (DaoException ex) {
            //Logger.getLogger(AuthorizationServlet.class.getName()).log(Level.SEVERE, null, ex);
            throw new ServletException(ex.getMessage());
        }
    }

    private void putHeadInSession(HttpSession session) {

    }

    private void putEntrantsAcceptorInSession(HttpSession session) {
        EntrantsAcceptorBean bean = new EntrantsAcceptorBean();
        session.setAttribute("entrantsAcceptor", bean);
    }

    private void putExamResultsRecorder(HttpSession session) {

    }

    private void putProfessionAccounterInSession(HttpSession session) {
        ProfessionAccounterBean bean = new ProfessionAccounterBean();
        session.setAttribute("professionAccounter", bean);
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
